,申请号DD19730171986-传众专利搜索

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法人/股东/高管

发明名称
摘要
申请公布号	DD105322(A1)	申请公布日期	1974.04.12
申请号	DD19730171986	申请日期	1973.07.02
申请人		发明人
分类号	G03B27/60;(IPC1-7):G03B27/60	主分类号	G03B27/60
代理机构		代理人
主权项
地址

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